A female whose physical features (ie. bottom, hips, thighs, breasts, etc) or demeanor (bratty, rude, bitchy, slutty, etc) incites the urge to take her over your knee, under your arm, bend her over, or position her otherwise, and spank her long and hard.

1. Did you see her ass? That broad is totally spankable.
2. Damn, that bitch needs an attitude adjustment. Extremely spankable.